Kwang Min Yu

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1:1 ratio of a divider's resistance up to 100 k/spl Omega/ at 100 V and 10:1 voltage ratio up to 1 kV can be accurately measured by a potentiometric method. Common-mode potential effect on voltmeter offset is removed by reversing whole divider for high voltage measurement. The best relative measurement uncertainty (k=1) was estimated to be less than(More)
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